Notes: Data for 2023 from Australia, Belgium, Japan, the Netherlands, Switzerland, and United States are estimated. Data for 2023 from Austria, Canada, France, Germany, Sweden and the United Kingdom are provisional. Data for 2022 for Australia, Canada and Japan are provisional. Data for Australia is unavailable in 1970. Data for France from before 1990 is not available.  Data from Germany prior to 1992 refers to West Germany. Data for Germany is not available for 1991. Data for the Netherlands is unavailable in 1970 and 1971.