- 2020: February 14,
- 2019: February 22, May 24, September 20, December 13
- 2018: February 16, June 8, September 28, December 14
- 2017: February 24, June 2, September 13, October 6, December 8
- 2016: February 19, May 17, June 10, December 2
- 2015: February 27, June 11, October 2, December 11
- 2014: February 28, June 16, October 3, December 5
- 2013: March 1, April 26, September 27, December 20