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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 10 |
| 1953 | 3 |
| 1954 | 6 |
| 1955 | 8 |
| 1956 | 6 |
| 1957 | 7 |
| 1958 | 5 |
| 1959 | 8 |
| 1960 | 9 |
| 1961 | 7 |
| 1962 | 2 |
| 1964 | 1 |
| 1965 | 13 |
| 1966 | 22 |
| 1967 | 50 |
| 1968 | 52 |
| 1969 | 58 |
| 1970 | 56 |
| 1971 | 59 |
| 1972 | 45 |
| 1973 | 54 |
| 1974 | 52 |
| 1975 | 51 |
| 1976 | 49 |
| 1977 | 54 |
| 1978 | 43 |
| 1979 | 54 |
| 1980 | 61 |
| 1981 | 52 |
| 1982 | 74 |
| 1983 | 72 |
| 1984 | 114 |
| 1985 | 92 |
| 1986 | 86 |
| 1987 | 89 |
| 1988 | 70 |
| 1989 | 85 |
| 1990 | 109 |
| 1991 | 84 |
| 1992 | 96 |
| 1993 | 122 |
| 1994 | 111 |
| 1995 | 117 |
| 1996 | 118 |
| 1997 | 104 |
| 1998 | 122 |
| 1999 | 126 |
| 2000 | 110 |
| 2001 | 110 |
| 2002 | 139 |
| 2003 | 147 |
| 2004 | 156 |
| 2005 | 183 |
| 2006 | 186 |
| 2007 | 154 |
| 2008 | 169 |
| 2009 | 197 |
| 2010 | 184 |
| 2011 | 209 |
| 2012 | 209 |
| 2013 | 182 |
| 2014 | 188 |
| 2015 | 182 |
| 2016 | 171 |
| 2017 | 156 |
| 2018 | 157 |
| 2019 | 149 |
| 2020 | 146 |
| 2021 | 160 |
| 2022 | 103 |
| 2023 | 90 |
| 2024 | 28 |