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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1949 | 1 |
| 1950 | 2 |
| 1951 | 1 |
| 1952 | 2 |
| 1953 | 1 |
| 1954 | 1 |
| 1955 | 3 |
| 1956 | 1 |
| 1958 | 1 |
| 1959 | 2 |
| 1960 | 1 |
| 1961 | 3 |
| 1962 | 1 |
| 1963 | 7 |
| 1964 | 11 |
| 1965 | 87 |
| 1966 | 59 |
| 1967 | 64 |
| 1968 | 78 |
| 1969 | 65 |
| 1970 | 68 |
| 1971 | 64 |
| 1972 | 61 |
| 1973 | 67 |
| 1974 | 72 |
| 1975 | 89 |
| 1976 | 59 |
| 1977 | 63 |
| 1978 | 90 |
| 1979 | 72 |
| 1980 | 73 |
| 1981 | 77 |
| 1982 | 125 |
| 1983 | 121 |
| 1984 | 168 |
| 1985 | 161 |
| 1986 | 148 |
| 1987 | 146 |
| 1988 | 129 |
| 1989 | 145 |
| 1990 | 171 |
| 1991 | 167 |
| 1992 | 137 |
| 1993 | 124 |
| 1994 | 142 |
| 1995 | 158 |
| 1996 | 173 |
| 1997 | 148 |
| 1998 | 152 |
| 1999 | 127 |
| 2000 | 145 |
| 2001 | 157 |
| 2002 | 201 |
| 2003 | 161 |
| 2004 | 155 |
| 2005 | 160 |
| 2006 | 159 |
| 2007 | 175 |
| 2008 | 224 |
| 2009 | 204 |
| 2010 | 260 |
| 2011 | 279 |
| 2012 | 319 |
| 2013 | 294 |
| 2014 | 283 |
| 2015 | 282 |
| 2016 | 193 |
| 2017 | 192 |
| 2018 | 182 |
| 2019 | 176 |
| 2020 | 192 |
| 2021 | 162 |
| 2022 | 135 |
| 2023 | 109 |
| 2024 | 24 |