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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 2 |
| 1954 | 2 |
| 1956 | 2 |
| 1957 | 2 |
| 1958 | 4 |
| 1959 | 3 |
| 1960 | 6 |
| 1961 | 6 |
| 1962 | 6 |
| 1966 | 13 |
| 1967 | 21 |
| 1968 | 25 |
| 1969 | 25 |
| 1970 | 30 |
| 1971 | 32 |
| 1972 | 34 |
| 1973 | 35 |
| 1974 | 46 |
| 1975 | 43 |
| 1976 | 23 |
| 1977 | 40 |
| 1978 | 42 |
| 1979 | 44 |
| 1980 | 38 |
| 1981 | 33 |
| 1982 | 52 |
| 1983 | 60 |
| 1984 | 83 |
| 1985 | 54 |
| 1986 | 64 |
| 1987 | 44 |
| 1988 | 59 |
| 1989 | 63 |
| 1990 | 57 |
| 1991 | 68 |
| 1992 | 72 |
| 1993 | 94 |
| 1994 | 73 |
| 1995 | 73 |
| 1996 | 76 |
| 1997 | 67 |
| 1998 | 81 |
| 1999 | 86 |
| 2000 | 96 |
| 2001 | 77 |
| 2002 | 102 |
| 2003 | 94 |
| 2004 | 99 |
| 2005 | 118 |
| 2006 | 105 |
| 2007 | 128 |
| 2008 | 149 |
| 2009 | 130 |
| 2010 | 117 |
| 2011 | 165 |
| 2012 | 137 |
| 2013 | 144 |
| 2014 | 146 |
| 2015 | 164 |
| 2016 | 168 |
| 2017 | 161 |
| 2018 | 144 |
| 2019 | 147 |
| 2020 | 149 |
| 2021 | 103 |
| 2022 | 141 |
| 2023 | 105 |
| 2024 | 38 |