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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1945 | 1 |
| 1948 | 1 |
| 1949 | 4 |
| 1950 | 2 |
| 1951 | 2 |
| 1952 | 4 |
| 1953 | 5 |
| 1954 | 2 |
| 1957 | 3 |
| 1958 | 1 |
| 1959 | 5 |
| 1960 | 2 |
| 1961 | 6 |
| 1962 | 11 |
| 1963 | 40 |
| 1964 | 99 |
| 1965 | 81 |
| 1966 | 114 |
| 1967 | 97 |
| 1968 | 142 |
| 1969 | 151 |
| 1970 | 147 |
| 1971 | 175 |
| 1972 | 202 |
| 1973 | 194 |
| 1974 | 181 |
| 1975 | 150 |
| 1976 | 139 |
| 1977 | 132 |
| 1978 | 94 |
| 1979 | 115 |
| 1980 | 91 |
| 1981 | 87 |
| 1982 | 108 |
| 1983 | 98 |
| 1984 | 116 |
| 1985 | 95 |
| 1986 | 100 |
| 1987 | 97 |
| 1988 | 98 |
| 1989 | 111 |
| 1990 | 107 |
| 1991 | 112 |
| 1992 | 99 |
| 1993 | 165 |
| 1994 | 128 |
| 1995 | 165 |
| 1996 | 167 |
| 1997 | 232 |
| 1998 | 233 |
| 1999 | 229 |
| 2000 | 224 |
| 2001 | 262 |
| 2002 | 268 |
| 2003 | 271 |
| 2004 | 308 |
| 2005 | 308 |
| 2006 | 321 |
| 2007 | 332 |
| 2008 | 312 |
| 2009 | 282 |
| 2010 | 305 |
| 2011 | 372 |
| 2012 | 333 |
| 2013 | 411 |
| 2014 | 410 |
| 2015 | 383 |
| 2016 | 285 |
| 2017 | 213 |
| 2018 | 187 |
| 2019 | 213 |
| 2020 | 238 |
| 2021 | 222 |
| 2022 | 275 |
| 2023 | 186 |
| 2024 | 158 |
| 2025 | 68 |