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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1951 | 11 |
| 1952 | 29 |
| 1953 | 35 |
| 1954 | 29 |
| 1955 | 38 |
| 1956 | 40 |
| 1957 | 24 |
| 1958 | 28 |
| 1959 | 39 |
| 1960 | 57 |
| 1961 | 65 |
| 1962 | 38 |
| 1963 | 1 |
| 1964 | 15 |
| 1965 | 148 |
| 1966 | 318 |
| 1967 | 461 |
| 1968 | 451 |
| 1969 | 512 |
| 1970 | 580 |
| 1971 | 634 |
| 1972 | 723 |
| 1973 | 812 |
| 1974 | 912 |
| 1975 | 818 |
| 1976 | 802 |
| 1977 | 832 |
| 1978 | 807 |
| 1979 | 931 |
| 1980 | 973 |
| 1981 | 943 |
| 1982 | 920 |
| 1983 | 1034 |
| 1984 | 1144 |
| 1985 | 1199 |
| 1986 | 1154 |
| 1987 | 1277 |
| 1988 | 1263 |
| 1989 | 1252 |
| 1990 | 1364 |
| 1991 | 1276 |
| 1992 | 1307 |
| 1993 | 1331 |
| 1994 | 1288 |
| 1995 | 1239 |
| 1996 | 1269 |
| 1997 | 1271 |
| 1998 | 1242 |
| 1999 | 1317 |
| 2000 | 1220 |
| 2001 | 1257 |
| 2002 | 1416 |
| 2003 | 1459 |
| 2004 | 1461 |
| 2005 | 1534 |
| 2006 | 1603 |
| 2007 | 1512 |
| 2008 | 1671 |
| 2009 | 1591 |
| 2010 | 1617 |
| 2011 | 1851 |
| 2012 | 1932 |
| 2013 | 1929 |
| 2014 | 1707 |
| 2015 | 1662 |
| 2016 | 1464 |
| 2017 | 1420 |
| 2018 | 1345 |
| 2019 | 1351 |
| 2020 | 1214 |
| 2021 | 1046 |
| 2022 | 873 |
| 2023 | 781 |
| 2024 | 912 |
| 2025 | 366 |