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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1945 | 2 |
| 1946 | 1 |
| 1947 | 1 |
| 1951 | 5 |
| 1952 | 13 |
| 1953 | 10 |
| 1954 | 12 |
| 1955 | 11 |
| 1956 | 21 |
| 1957 | 26 |
| 1958 | 32 |
| 1959 | 22 |
| 1960 | 36 |
| 1961 | 48 |
| 1962 | 33 |
| 1963 | 2 |
| 1964 | 3 |
| 1965 | 66 |
| 1966 | 114 |
| 1967 | 151 |
| 1968 | 181 |
| 1969 | 205 |
| 1970 | 203 |
| 1971 | 190 |
| 1972 | 220 |
| 1973 | 221 |
| 1974 | 282 |
| 1975 | 208 |
| 1976 | 215 |
| 1977 | 216 |
| 1978 | 214 |
| 1979 | 213 |
| 1980 | 200 |
| 1981 | 203 |
| 1982 | 164 |
| 1983 | 201 |
| 1984 | 228 |
| 1985 | 335 |
| 1986 | 301 |
| 1987 | 351 |
| 1988 | 379 |
| 1989 | 358 |
| 1990 | 423 |
| 1991 | 446 |
| 1992 | 399 |
| 1993 | 497 |
| 1994 | 468 |
| 1995 | 565 |
| 1996 | 513 |
| 1997 | 586 |
| 1998 | 599 |
| 1999 | 591 |
| 2000 | 665 |
| 2001 | 778 |
| 2002 | 830 |
| 2003 | 859 |
| 2004 | 1007 |
| 2005 | 1055 |
| 2006 | 1218 |
| 2007 | 1389 |
| 2008 | 1491 |
| 2009 | 1513 |
| 2010 | 1467 |
| 2011 | 1462 |
| 2012 | 1465 |
| 2013 | 1484 |
| 2014 | 1412 |
| 2015 | 1439 |
| 2016 | 1271 |
| 2017 | 1267 |
| 2018 | 1354 |
| 2019 | 1221 |
| 2020 | 1059 |
| 2021 | 840 |
| 2022 | 456 |
| 2023 | 374 |
| 2024 | 239 |