Environmental change network - number of bats observed each year from 1994 to 2008

Year Count
1994 9.8
1995 7.5
1996 No data
1997 No data
1998 3.3
1999 8.3
2000 12.3
2001 16
2002 12.8
2003 11.5
2004 19.5
2005 20.3
2006 24.3
2007 10
2008 25.3