Year
|
All common birds (163 species)
|
All common birds (163 species)
|
All common birds, 1980-1989 (based on 7 countries)
|
Common forest birds (33 species)
|
All common birds, 1990-2011 (based on 27 countries)
|
Common farmland birds (39 species)
|
Common farmland birds (39 species)
|
Common farmland birds, 1980-1989 (based on 7 countries)
|
Common farmland birds, 1990-2011 (based on 27 countries)
|
Common forest birds (33 species)
|
Common forest birds, 1980-1989 (based on 7 countries)
|
Common forest birds, 1990-2011 (based on 27 countries)
|
1990
|
|
100
|
|
100
|
|
100
|
|
|
|
|
|
|
1991
|
|
98.65118692
|
|
102.3602021
|
|
95.08816312
|
|
|
|
|
|
|
1992
|
|
96.16364626
|
|
95.6031224
|
|
94.80885518
|
|
|
|
|
|
|
1993
|
|
98.03021408
|
|
87.34188397
|
|
102.3329338
|
|
|
|
|
|
|
1994
|
|
98.68887058
|
|
95.46999676
|
|
97.0441802
|
|
|
|
|
|
|
1995
|
|
91.6558709
|
|
85.59255456
|
|
82.01353642
|
|
|
|
|
|
|
1996
|
|
91.74013225
|
|
88.43025111
|
|
78.6922028
|
|
|
|
|
|
|
1997
|
|
92.66982758
|
|
91.72662348
|
|
83.42709924
|
|
|
|
|
|
|
1998
|
|
88.73811211
|
|
82.99598873
|
|
80.79042151
|
|
|
|
|
|
|
1999
|
|
89.09044639
|
|
81.86492664
|
|
82.73521498
|
|
|
|
|
|
|
2000
|
|
87.99331403
|
|
79.88056578
|
|
79.8904623
|
|
|
|
|
|
|
2001
|
|
91.42431362
|
|
82.60647705
|
|
82.98070943
|
|
|
|
|
|
|
2002
|
|
90.01864824
|
|
84.89881255
|
|
74.17093741
|
|
|
|
|
|
|
2003
|
|
90.00862354
|
|
87.20753626
|
|
75.64807313
|
|
|
|
|
|
|
2004
|
|
93.01682984
|
|
90.47685527
|
|
78.9857481
|
|
|
|
|
|
|
2005
|
|
88.95856744
|
|
86.21085941
|
|
76.12509725
|
|
|
|
|
|
|
2006
|
|
88.7818784
|
|
85.63322411
|
|
75.03905996
|
|
|
|
|
|
|
2007
|
|
90.50583452
|
|
84.1198788
|
|
74.16198586
|
|
|
|
|
|
|
2008
|
|
90.32797134
|
|
88.08133087
|
|
73.77351474
|
|
|
|
|
|
|
2009
|
|
86.59894867
|
|
84.00240304
|
|
71.90375025
|
|
|
|
|
|
|
2010
|
|
87.34591083
|
|
85.57374492
|
|
70.5785472
|
|
|
|
|
|
|
2011
|
|
87.98411187
|
|
86.51181216
|
|
72.49418028
|
|
|
|
|
|
|
2012
|
|
88.07183698
|
|
92.19260945
|
|
70.67199034
|
|
|
|
|
|
|