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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1938 | 1 |
| 1950 | 2 |
| 1951 | 3 |
| 1953 | 1 |
| 1954 | 2 |
| 1955 | 3 |
| 1956 | 3 |
| 1957 | 3 |
| 1958 | 4 |
| 1959 | 7 |
| 1960 | 6 |
| 1961 | 7 |
| 1962 | 12 |
| 1963 | 17 |
| 1964 | 19 |
| 1965 | 22 |
| 1966 | 33 |
| 1967 | 24 |
| 1968 | 29 |
| 1969 | 24 |
| 1970 | 26 |
| 1971 | 25 |
| 1972 | 38 |
| 1973 | 38 |
| 1974 | 52 |
| 1975 | 40 |
| 1976 | 52 |
| 1977 | 42 |
| 1978 | 55 |
| 1979 | 56 |
| 1980 | 56 |
| 1981 | 58 |
| 1982 | 95 |
| 1983 | 83 |
| 1984 | 122 |
| 1985 | 126 |
| 1986 | 128 |
| 1987 | 143 |
| 1988 | 156 |
| 1989 | 148 |
| 1990 | 160 |
| 1991 | 145 |
| 1992 | 160 |
| 1993 | 169 |
| 1994 | 173 |
| 1995 | 224 |
| 1996 | 198 |
| 1997 | 192 |
| 1998 | 232 |
| 1999 | 244 |
| 2000 | 273 |
| 2001 | 228 |
| 2002 | 241 |
| 2003 | 219 |
| 2004 | 247 |
| 2005 | 267 |
| 2006 | 279 |
| 2007 | 296 |
| 2008 | 318 |
| 2009 | 316 |
| 2010 | 337 |
| 2011 | 329 |
| 2012 | 386 |
| 2013 | 449 |
| 2014 | 405 |
| 2015 | 393 |
| 2016 | 402 |
| 2017 | 399 |
| 2018 | 429 |
| 2019 | 510 |
| 2020 | 588 |
| 2021 | 606 |
| 2022 | 554 |
| 2023 | 465 |
| 2024 | 2 |