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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 2 |
| 1950 | 1 |
| 1951 | 28 |
| 1952 | 74 |
| 1953 | 28 |
| 1954 | 27 |
| 1955 | 22 |
| 1956 | 17 |
| 1957 | 24 |
| 1958 | 17 |
| 1959 | 7 |
| 1961 | 3 |
| 1962 | 19 |
| 1963 | 125 |
| 1964 | 190 |
| 1965 | 164 |
| 1966 | 140 |
| 1967 | 178 |
| 1968 | 175 |
| 1969 | 184 |
| 1970 | 183 |
| 1971 | 208 |
| 1972 | 179 |
| 1973 | 185 |
| 1974 | 173 |
| 1975 | 150 |
| 1976 | 109 |
| 1977 | 135 |
| 1978 | 167 |
| 1979 | 142 |
| 1980 | 147 |
| 1981 | 116 |
| 1982 | 124 |
| 1983 | 132 |
| 1984 | 153 |
| 1985 | 170 |
| 1986 | 200 |
| 1987 | 205 |
| 1988 | 189 |
| 1989 | 204 |
| 1990 | 215 |
| 1991 | 239 |
| 1992 | 224 |
| 1993 | 233 |
| 1994 | 220 |
| 1995 | 248 |
| 1996 | 246 |
| 1997 | 268 |
| 1998 | 289 |
| 1999 | 308 |
| 2000 | 325 |
| 2001 | 310 |
| 2002 | 328 |
| 2003 | 332 |
| 2004 | 333 |
| 2005 | 343 |
| 2006 | 401 |
| 2007 | 365 |
| 2008 | 348 |
| 2009 | 364 |
| 2010 | 400 |
| 2011 | 418 |
| 2012 | 452 |
| 2013 | 409 |
| 2014 | 426 |
| 2015 | 450 |
| 2016 | 440 |
| 2017 | 399 |
| 2018 | 329 |
| 2019 | 336 |
| 2020 | 386 |
| 2021 | 392 |
| 2022 | 452 |
| 2023 | 399 |
| 2024 | 420 |
| 2025 | 406 |
| 2026 | 64 |