| YEAR | TRACKS REPORTED |
|---|---|
| 2025 | 1470 |
| 2024 | 1488 |
| 2023 | 1355 |
| 2022 | 1400 |
| 2021 | 1722 |
| 2020 | 1261 |
| 2019 | 1911 |
| 2018 | 1797 |
| 2017 | 1861 |
| 2016 | 1909 |
| 2015 | 1652 |
| 2014 | 1673 |
| 2013 | 1682 |
| 2012 | 1543 |
| 2011 | 1609 |
| 2010 | 1814 |
| 2009 | 2112 |
| 2008 | 1993 |
| 2007 | 2273 |
| 2006 | 2413 |
| 2005 | 2194 |
| 2004 | 2282 |
| 2003 | 2030 |
| 2002 | 1811 |
| 2001 | 1574 |
| 2000 | 1730 |
| 1999 | 1448 |
| 1998 | 1570 |
| 1997 | 1290 |
| 1996 | 1450 |
| 1995 | 1320 |
| 1994 | 1174 |
| 1993 | 1105 |
| 1992 | 1031 |
| 1991 | 1090 |
| 1990 | 1088 |
| 1989 | 1049 |
| 1988 | 956 |
| 1987 | 889 |
| 1986 | 747 |
| 1985 | 842 |
| 1984 | 730 |
| 1983 | 814 |
| 1982 | 742 |
| 1981 | 697 |
| 1980 | 656 |