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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1953 | 2 |
| 1954 | 1 |
| 1964 | 1 |
| 1965 | 26 |
| 1966 | 40 |
| 1967 | 32 |
| 1968 | 30 |
| 1969 | 32 |
| 1970 | 24 |
| 1971 | 29 |
| 1972 | 47 |
| 1973 | 41 |
| 1974 | 30 |
| 1975 | 34 |
| 1976 | 40 |
| 1977 | 43 |
| 1978 | 41 |
| 1979 | 37 |
| 1980 | 25 |
| 1981 | 37 |
| 1982 | 31 |
| 1983 | 44 |
| 1984 | 38 |
| 1985 | 51 |
| 1986 | 40 |
| 1987 | 56 |
| 1988 | 48 |
| 1989 | 55 |
| 1990 | 42 |
| 1991 | 61 |
| 1992 | 113 |
| 1993 | 101 |
| 1994 | 92 |
| 1995 | 94 |
| 1996 | 102 |
| 1997 | 126 |
| 1998 | 131 |
| 1999 | 122 |
| 2000 | 134 |
| 2001 | 131 |
| 2002 | 139 |
| 2003 | 113 |
| 2004 | 109 |
| 2005 | 112 |
| 2006 | 128 |
| 2007 | 135 |
| 2008 | 129 |
| 2009 | 115 |
| 2010 | 103 |
| 2011 | 116 |
| 2012 | 106 |
| 2013 | 99 |
| 2014 | 136 |
| 2015 | 139 |
| 2016 | 134 |
| 2017 | 178 |
| 2018 | 149 |
| 2019 | 168 |
| 2020 | 141 |
| 2021 | 143 |
| 2022 | 252 |
| 2023 | 194 |
| 2024 | 76 |