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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 3 |
| 1947 | 4 |
| 1948 | 18 |
| 1949 | 15 |
| 1950 | 6 |
| 1951 | 18 |
| 1952 | 15 |
| 1953 | 9 |
| 1954 | 7 |
| 1955 | 5 |
| 1956 | 9 |
| 1957 | 11 |
| 1958 | 4 |
| 1959 | 12 |
| 1960 | 17 |
| 1961 | 14 |
| 1962 | 16 |
| 1963 | 44 |
| 1964 | 67 |
| 1965 | 36 |
| 1966 | 27 |
| 1967 | 31 |
| 1968 | 35 |
| 1969 | 36 |
| 1970 | 61 |
| 1971 | 91 |
| 1972 | 161 |
| 1973 | 205 |
| 1974 | 255 |
| 1975 | 237 |
| 1976 | 333 |
| 1977 | 304 |
| 1978 | 371 |
| 1979 | 412 |
| 1980 | 373 |
| 1981 | 473 |
| 1982 | 411 |
| 1983 | 387 |
| 1984 | 474 |
| 1985 | 453 |
| 1986 | 523 |
| 1987 | 451 |
| 1988 | 418 |
| 1989 | 461 |
| 1990 | 427 |
| 1991 | 485 |
| 1992 | 343 |
| 1993 | 374 |
| 1994 | 341 |
| 1995 | 309 |
| 1996 | 282 |
| 1997 | 301 |
| 1998 | 286 |
| 1999 | 260 |
| 2000 | 228 |
| 2001 | 319 |
| 2002 | 248 |
| 2003 | 237 |
| 2004 | 210 |
| 2005 | 213 |
| 2006 | 277 |
| 2007 | 255 |
| 2008 | 255 |
| 2009 | 271 |
| 2010 | 267 |
| 2011 | 302 |
| 2012 | 358 |
| 2013 | 393 |
| 2014 | 373 |
| 2015 | 399 |
| 2016 | 363 |
| 2017 | 353 |
| 2018 | 412 |
| 2019 | 332 |
| 2020 | 322 |
| 2021 | 253 |
| 2022 | 169 |
| 2023 | 106 |
| 2024 | 64 |