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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1945 | 1 |
| 1946 | 1 |
| 1948 | 3 |
| 1949 | 2 |
| 1952 | 3 |
| 1953 | 5 |
| 1954 | 2 |
| 1955 | 12 |
| 1956 | 14 |
| 1957 | 9 |
| 1958 | 8 |
| 1959 | 2 |
| 1960 | 4 |
| 1961 | 2 |
| 1962 | 6 |
| 1963 | 1 |
| 1964 | 6 |
| 1965 | 20 |
| 1966 | 54 |
| 1967 | 61 |
| 1968 | 70 |
| 1969 | 30 |
| 1970 | 46 |
| 1971 | 54 |
| 1972 | 41 |
| 1973 | 98 |
| 1974 | 105 |
| 1975 | 115 |
| 1976 | 68 |
| 1977 | 98 |
| 1978 | 144 |
| 1979 | 160 |
| 1980 | 187 |
| 1981 | 233 |
| 1982 | 276 |
| 1983 | 326 |
| 1984 | 260 |
| 1985 | 254 |
| 1986 | 285 |
| 1987 | 346 |
| 1988 | 307 |
| 1989 | 338 |
| 1990 | 357 |
| 1991 | 348 |
| 1992 | 360 |
| 1993 | 320 |
| 1994 | 309 |
| 1995 | 283 |
| 1996 | 286 |
| 1997 | 268 |
| 1998 | 328 |
| 1999 | 283 |
| 2000 | 300 |
| 2001 | 345 |
| 2002 | 399 |
| 2003 | 410 |
| 2004 | 424 |
| 2005 | 408 |
| 2006 | 453 |
| 2007 | 458 |
| 2008 | 491 |
| 2009 | 511 |
| 2010 | 587 |
| 2011 | 597 |
| 2012 | 643 |
| 2013 | 661 |
| 2014 | 644 |
| 2015 | 658 |
| 2016 | 628 |
| 2017 | 731 |
| 2018 | 653 |
| 2019 | 690 |
| 2020 | 586 |
| 2021 | 411 |
| 2022 | 116 |
| 2023 | 86 |
| 2024 | 54 |