year	Issue
2023	Jan. Febr. March Apr. May
2022	Jan. Febr. March Apr. May June July Aug. Sept. Oct. Nov. Dec.
2021	Jan. Febr. March Apr. May June July Aug. Sept. Oct. Nov. Dec.
2020	Jan. Febr. March Apr. May June July Aug. Sept. Oct. Nov. Dec.
2019	Jan. Febr. March Apr. May June July Aug. Sept. Oct. Nov. Dec.
2018	Jan. Febr. March Apr. May June July Aug. Sept. Oct. Nov. Dec.
2017	Jan. Febr. March Apr. May June July Aug. Sept. Oct. Nov. Dec.
2016	Jan. Febr. March Apr. May June July Aug. Sept. Oct. Nov. Dec.
2015	Jan. Febr. March Apr. May June July Aug. Sept. Oct. Nov. Dec.
2014	Jan. Febr. March Apr. May June July Aug. Sept. Oct. Nov. Dec.
2013	Jan. Febr. March Apr. May June July Aug. Sept. Oct. Nov. Dec.
2012	Jan. Febr. March Apr. May June July Aug. Sept. Oct. Nov. Dec.
2011	Jan. Febr. March Apr. May June July Aug. Sept. Oct. Nov. Dec.

2010	Jan. Febr. March Apr. May June July Aug. Sept. Oct. Nov. Dec.
2009	Jan. Febr. March Apr. May June July Aug. Sept. Oct. Nov. Dec.
2008	Jan. Febr. March Apr. May June July Aug. Sept. Oct. Nov. Dec.
2007	Jan. Febr. March Apr. May June July Aug. Sept. Oct. Nov. Dec.
2006	Jan. Febr. March Apr. May June July Aug. Sept. Oct. Nov. Dec.
2005	Jan. Febr. March Apr. May June July Aug. Sept. Oct. Nov. Dec.
2004	Jan. Febr. March Apr. May June July Aug. Sept. Oct. Nov. Dec.
2003	Jan. Febr. March Apr. May June July Aug. Sept. Oct. Nov. Dec.
2002	Jan. Febr. March Apr. May June July Aug. Sept. Oct. Nov. Dec.
2001	Aug. Sept. Sept. Oct. Nov. Dec.