Djokovic has 30 top 10 wins since US Open last year, Fed only had 18 in 2006.
Comparing the list it is rather obvious that Djokovic's resume is a whole lot better.
Djokovic:
118. Bulgaria Grigor Dimitrov 10 Beijing, China Hard QF 6–2, 6–4
119. Czech Republic Tomáš Berdych 6 Beijing, China Hard F 6–0, 6–2
120. Spain David Ferrer 5 Shanghai, China Hard QF 6–4, 6–2
121. United Kingdom Andy Murray 8 Paris, France Hard (i) QF 7–5, 6–2
122. Japan Kei Nishikori 7 Paris, France Hard (i) SF 6–2, 6–3
123. Canada Milos Raonic 10 Paris, France Hard (i) F 6–2, 6–3
124. Croatia Marin Čilić 9 ATP World Tour Finals, London, UK Hard (i) RR 6–1, 6–1
125. Switzerland Stan Wawrinka 4 ATP World Tour Finals, London, UK Hard (i) RR 6–3, 6–0
126. Czech Republic Tomáš Berdych 7 ATP World Tour Finals, London, UK Hard (i) RR 6–2, 6–2
127. Japan Kei Nishikori 5 ATP World Tour Finals, London, UK Hard (i) SF 6–1, 3–6, 6–0
2015
128. Canada Milos Raonic 8 Australian Open, Melbourne, Australia Hard QF 7–6(7–5), 6–4, 6–2
129. Switzerland Stan Wawrinka 4 Australian Open, Melbourne, Australia Hard SF 7–6(7–1), 3–6, 6–4, 4–6, 6–0
130. United Kingdom Andy Murray 6 Australian Open, Melbourne, Australia Hard F 7–6(7–5), 6–7(4–7), 6–3, 6–0
131. Czech Republic Tomáš Berdych 8 Dubai, United Arab Emirates Hard SF 6–0, 5–7, 6–4
132. United Kingdom Andy Murray 4 Indian Wells, US Hard SF 6–2, 6–3
133. Switzerland Roger Federer 2 Indian Wells, US Hard F 6–3, 6–7(5–7), 6–2
134. Spain David Ferrer 7 Miami, US Hard QF 7–5, 7–5
135. United Kingdom Andy Murray 4 Miami, US Hard F 7–6(7–3), 4–6, 6–0
136. Croatia Marin Čilić 10 Monte Carlo, Monaco Clay QF 6–0, 6–3
137. Spain Rafael Nadal 5 Monte Carlo, Monaco Clay SF 6–3, 6–3
138. Czech Republic Tomáš Berdych 8 Monte Carlo, Monaco Clay F 7–5, 4–6, 6–3
139. Japan Kei Nishikori 6 Rome, Italy Clay QF 6–3, 3–6, 6–1
140. Spain David Ferrer 8 Rome, Italy Clay SF 6–4, 6–4
141. Switzerland Roger Federer 2 Rome, Italy Clay F 6–4, 6–3
142. Spain Rafael Nadal 7 French Open, Paris, France Clay QF 7–5, 6–3, 6–1
143. United Kingdom Andy Murray 3 French Open, Paris, France Clay SF 6–3, 6–3, 5–7, 5–7, 6–1
144. Croatia Marin Čilić 9 Wimbledon, London, UK Grass QF 6–4, 6–4, 6–4
145. Switzerland Roger Federer 2 Wimbledon, London, UK Grass F 7–6(7–1), 6–7(10–12), 6–4, 6–3
146. Switzerland Stan Wawrinka 5 Cincinnati, US Hard QF 6–4, 6–1
147. Croatia Marin Čilić 9 US Open, New York, US Hard SF 6–0, 6–1, 6–2
148. Switzerland Roger Federer 2 US Open, New York, US Hard F 6–4, 5–7, 6–4, 6–4
Federer 2006:
62. Russia Nikolay Davydenko 5 Australian Open, Melbourne, Australia Hard QF 6–4, 3–6, 7–6(9–7), 7–6(7–5) 1
63. Croatia Ivan LjubiÄić 6 Indian Wells, United States Hard QF 6–2, 6–3 1
64. United States James Blake 9 Miami, United States Hard QF 7–6(7–2), 6–4 1
65. Croatia Ivan LjubiÄić 6 Miami, United States Hard F 7–6(7–5), 7–6(7–4), 7–6(8–6) 1
66. Argentina David Nalbandian 3 Rome, Italy Clay SF 6–3, 3–6, 7–6(7–5) 1
67. Argentina David Nalbandian 3 French Open, Paris, France Clay SF 3–6, 6–4, 5–2 ret. 1
68. Croatia Mario AnÄić 10 Wimbledon, London, England Grass QF 6–4, 6–4, 6–4 1
69. Spain Rafael Nadal 2 Wimbledon, London, England Grass F 6–0, 7–6(7–5), 6–7(2–7), 6–3 1
70. United States James Blake 7 US Open, New York, United States Hard QF 7–6(9–7), 6–0, 6–7(9–11), 6–4 1
71. Russia Nikolay Davydenko 6 US Open, New York, United States Hard SF 6–1, 7–5, 6–4 1
72. United States Andy Roddick 10 US Open, New York, United States Hard F 6–2, 4–6, 7–5, 6–1 1
73. Argentina David Nalbandian 4 Madrid, Spain Hard (i) SF 6–4, 6–0 1
74. Chile Fernando González 10 Madrid, Spain Hard (i) F 7–5, 6–1, 6–0 1
75. Chile Fernando González 7 Basel, Switzerland Carpet (i) F 6–3, 6–2, 7–6(7–3) 1
76. Argentina David Nalbandian 7 Tennis Masters Cup, Shanghai, China Hard (i) RR 3–6, 6–1, 6–1 1
77. United States Andy Roddick 5 Tennis Masters Cup, Shanghai, China Hard (i) RR 4–6, 7–6(10–8), 6–4 1
78. Croatia Ivan LjubiÄić 4 Tennis Masters Cup, Shanghai, China Hard (i) RR 7–6(7–2), 6–4 1
79. Spain Rafael Nadal 2 Tennis Masters Cup, Shanghai, China Hard (i) SF 6–4, 7–5 1
80. United States James Blake 8 Tennis Masters Cup, Shanghai, China Hard (i) F 6–0, 6–3, 6–4