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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 1 |
| 1947 | 1 |
| 1948 | 3 |
| 1949 | 1 |
| 1952 | 1 |
| 1953 | 1 |
| 1954 | 1 |
| 1958 | 5 |
| 1961 | 1 |
| 1963 | 7 |
| 1964 | 1 |
| 1965 | 3 |
| 1966 | 2 |
| 1967 | 13 |
| 1968 | 18 |
| 1969 | 34 |
| 1970 | 30 |
| 1971 | 23 |
| 1972 | 26 |
| 1973 | 28 |
| 1974 | 39 |
| 1975 | 51 |
| 1976 | 49 |
| 1977 | 50 |
| 1978 | 31 |
| 1979 | 43 |
| 1980 | 35 |
| 1981 | 44 |
| 1982 | 52 |
| 1983 | 48 |
| 1984 | 46 |
| 1985 | 62 |
| 1986 | 63 |
| 1987 | 52 |
| 1988 | 81 |
| 1989 | 109 |
| 1990 | 157 |
| 1991 | 381 |
| 1992 | 604 |
| 1993 | 824 |
| 1994 | 1070 |
| 1995 | 1153 |
| 1996 | 1267 |
| 1997 | 1412 |
| 1998 | 1446 |
| 1999 | 1384 |
| 2000 | 1426 |
| 2001 | 1291 |
| 2002 | 1200 |
| 2003 | 1229 |
| 2004 | 1131 |
| 2005 | 1101 |
| 2006 | 1015 |
| 2007 | 1025 |
| 2008 | 1035 |
| 2009 | 934 |
| 2010 | 985 |
| 2011 | 944 |
| 2012 | 813 |
| 2013 | 755 |
| 2014 | 788 |
| 2015 | 719 |
| 2016 | 576 |
| 2017 | 512 |
| 2018 | 461 |
| 2019 | 461 |
| 2020 | 398 |
| 2021 | 344 |
| 2022 | 106 |
| 2023 | 56 |
| 2024 | 25 |