- 2000: $5 million
- 2001: $13 million
- 2002: $16 million
- 2003: $16 million
- 2004: $28 million
- 2005: $36 million
- 2006: $34 million
- 2007: $28 million
- 2008: $18 million
- 2009: $13 million
- 2010: $23 million
- 2011: $38 million
- 2012: $35 million
- 2013: $36 million
- 2014: $41 million
- 2015: $39 million
- 2016: $53 million
- 2017: $79 million
- 2018: $69 million
- 2019: $63 million
- 2020: $35 million
- 2021: $71 million
- 2022: $93 million