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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1948 | 1 |
| 1949 | 1 |
| 1950 | 5 |
| 1951 | 8 |
| 1952 | 7 |
| 1953 | 11 |
| 1954 | 5 |
| 1955 | 11 |
| 1956 | 3 |
| 1957 | 5 |
| 1958 | 7 |
| 1959 | 16 |
| 1960 | 11 |
| 1961 | 21 |
| 1962 | 25 |
| 1963 | 54 |
| 1964 | 104 |
| 1965 | 55 |
| 1966 | 56 |
| 1967 | 56 |
| 1968 | 102 |
| 1969 | 100 |
| 1970 | 86 |
| 1971 | 94 |
| 1972 | 76 |
| 1973 | 106 |
| 1974 | 99 |
| 1975 | 80 |
| 1976 | 90 |
| 1977 | 80 |
| 1978 | 75 |
| 1979 | 71 |
| 1980 | 96 |
| 1981 | 83 |
| 1982 | 83 |
| 1983 | 78 |
| 1984 | 82 |
| 1985 | 81 |
| 1986 | 107 |
| 1987 | 97 |
| 1988 | 72 |
| 1989 | 85 |
| 1990 | 92 |
| 1991 | 99 |
| 1992 | 79 |
| 1993 | 92 |
| 1994 | 72 |
| 1995 | 83 |
| 1996 | 96 |
| 1997 | 92 |
| 1998 | 82 |
| 1999 | 82 |
| 2000 | 82 |
| 2001 | 82 |
| 2002 | 100 |
| 2003 | 116 |
| 2004 | 122 |
| 2005 | 120 |
| 2006 | 119 |
| 2007 | 128 |
| 2008 | 125 |
| 2009 | 146 |
| 2010 | 160 |
| 2011 | 169 |
| 2012 | 165 |
| 2013 | 164 |
| 2014 | 168 |
| 2015 | 182 |
| 2016 | 189 |
| 2017 | 170 |
| 2018 | 202 |
| 2019 | 212 |
| 2020 | 202 |
| 2021 | 243 |
| 2022 | 267 |
| 2023 | 213 |
| 2024 | 65 |