| YEAR | TRACKS REPORTED |
|---|---|
| 2023 | 920 |
| 2022 | 1238 |
| 2021 | 1565 |
| 2020 | 1156 |
| 2019 | 1819 |
| 2018 | 1723 |
| 2017 | 1771 |
| 2016 | 1768 |
| 2015 | 1582 |
| 2014 | 1598 |
| 2013 | 1598 |
| 2012 | 1471 |
| 2011 | 1536 |
| 2010 | 1693 |
| 2009 | 2011 |
| 2008 | 1924 |
| 2007 | 2209 |
| 2006 | 2314 |
| 2005 | 2150 |
| 2004 | 2164 |
| 2003 | 1952 |
| 2002 | 1713 |
| 2001 | 1499 |
| 2000 | 1641 |
| 1999 | 1394 |
| 1998 | 1527 |
| 1997 | 1234 |
| 1996 | 1369 |
| 1995 | 1249 |
| 1994 | 1113 |
| 1993 | 1047 |
| 1992 | 948 |
| 1991 | 1029 |
| 1990 | 1035 |
| 1989 | 986 |
| 1988 | 913 |
| 1987 | 840 |
| 1986 | 725 |
| 1985 | 755 |
| 1984 | 709 |
| 1983 | 779 |
| 1982 | 710 |
| 1981 | 668 |
| 1980 | 617 |