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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1945 | 14 |
| 1946 | 17 |
| 1947 | 7 |
| 1948 | 15 |
| 1949 | 18 |
| 1951 | 7 |
| 1952 | 16 |
| 1953 | 15 |
| 1954 | 7 |
| 1955 | 10 |
| 1956 | 11 |
| 1957 | 19 |
| 1958 | 13 |
| 1959 | 8 |
| 1960 | 12 |
| 1961 | 11 |
| 1962 | 3 |
| 1964 | 2 |
| 1965 | 57 |
| 1966 | 89 |
| 1967 | 79 |
| 1968 | 97 |
| 1969 | 86 |
| 1970 | 122 |
| 1971 | 103 |
| 1972 | 76 |
| 1973 | 109 |
| 1974 | 77 |
| 1975 | 87 |
| 1976 | 64 |
| 1977 | 81 |
| 1978 | 101 |
| 1979 | 100 |
| 1980 | 84 |
| 1981 | 92 |
| 1982 | 118 |
| 1983 | 102 |
| 1984 | 112 |
| 1985 | 118 |
| 1986 | 106 |
| 1987 | 118 |
| 1988 | 134 |
| 1989 | 142 |
| 1990 | 159 |
| 1991 | 160 |
| 1992 | 198 |
| 1993 | 202 |
| 1994 | 200 |
| 1995 | 210 |
| 1996 | 185 |
| 1997 | 255 |
| 1998 | 228 |
| 1999 | 227 |
| 2000 | 274 |
| 2001 | 314 |
| 2002 | 355 |
| 2003 | 343 |
| 2004 | 377 |
| 2005 | 389 |
| 2006 | 415 |
| 2007 | 417 |
| 2008 | 453 |
| 2009 | 546 |
| 2010 | 509 |
| 2011 | 500 |
| 2012 | 499 |
| 2013 | 567 |
| 2014 | 600 |
| 2015 | 613 |
| 2016 | 559 |
| 2017 | 533 |
| 2018 | 493 |
| 2019 | 520 |
| 2020 | 489 |
| 2021 | 541 |
| 2022 | 398 |
| 2023 | 376 |
| 2024 | 481 |
| 2025 | 348 |