At head of title: World Meteorological Organization. Global Atmosphere Watch. World Data Centre for Greenhouse Gases
[1992], Part A: Carbon dioxide. Part B: Other atmospheric gases. Covering data period: 1967 through Aug. 1992
[1993], Oct. 1993: Accepted data period: Sept. 1992 through Mar. 1993. Covering data period: May 1971 through Mar. 1993
[1993], Mar. 1994: Data accepted during the period: Apr. 1993 through Sept. 1993. Covering the period: Jan. 1981 through Sept. 1993
[1994], Oct. 1994: Data accepted during the period: Sept. 1993 through March 1994. Covering data period: Jan. 1968 through Mar. 1994
[1995], Mar. 1995: Data accepted during the period: Apr. 1994 through Dec. 1994. Covering the period: Jan. 1968 through Dec. 1994
[1995], Sept. 1995: Data accepted during the period: Jan. 1995 through June 1995. Covering the period: Jan. 1968 through June 1995
[1996], Mar. 1996: Data accepted during the period: July 1995 through Dec. 1995. Covering the period: Jan. 1968 through Dec. 1995
[1996], Sept. 1996: Data accepted during the period: Jan. 1996 through June 1996. Covering the period: Jan. 1968 through Jun. 1996
[1997], Mar. 1997: Data accepted during the period: July 1996 through Nov. 1996. Covering the period: Jan. 1968 through Aug. 1996
[1997], Sept. 1997: Data accepted during the period: Dec. 1996 through June 1997. Covering the period: Jan. 1981 through June 1997
[1998], Mar. 1998: Data accepted during the period: July 1997 through Dec. 1997. Covering the period: Jan. 1981 through Dec. 1997
[1998], Sept. 1998: Data accepted during the period: January 1998 through June 1998. Covering the period: January 1981 through April 1998
[1999], Mar. 1999: Data accepted during the period: July 1998 through Dec. 1998. Covering the period: Jan. 1981 through April 1998. : [1999], Sept. 1999: Data accepted during the period: January 1999 through June 1999. Covering the period: January 1968 through April 1999
[2000], Mar. 2000: Data accepted during the period: July 1999 through Dec. 1999. Covering the period: July 1978 through Dec. 1999: [2000], Sept. 2000: Data accepted during the period: January 2000 through June 2000. Covering the period: January 1968 through June 2000
[2001], Mar. 2001: Data accepted during the period: July 2000 through Dec. 2000. Covering the period: July 1978 through Oct. 2000