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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 1 |
| 1947 | 3 |
| 1948 | 1 |
| 1949 | 1 |
| 1951 | 5 |
| 1952 | 19 |
| 1953 | 13 |
| 1954 | 11 |
| 1955 | 14 |
| 1956 | 8 |
| 1957 | 11 |
| 1958 | 10 |
| 1959 | 9 |
| 1960 | 12 |
| 1961 | 21 |
| 1962 | 16 |
| 1964 | 3 |
| 1965 | 48 |
| 1966 | 83 |
| 1967 | 107 |
| 1968 | 126 |
| 1969 | 112 |
| 1970 | 151 |
| 1971 | 141 |
| 1972 | 190 |
| 1973 | 174 |
| 1974 | 202 |
| 1975 | 191 |
| 1976 | 170 |
| 1977 | 210 |
| 1978 | 206 |
| 1979 | 233 |
| 1980 | 227 |
| 1981 | 216 |
| 1982 | 206 |
| 1983 | 182 |
| 1984 | 236 |
| 1985 | 241 |
| 1986 | 192 |
| 1987 | 162 |
| 1988 | 159 |
| 1989 | 207 |
| 1990 | 212 |
| 1991 | 222 |
| 1992 | 184 |
| 1993 | 190 |
| 1994 | 184 |
| 1995 | 198 |
| 1996 | 210 |
| 1997 | 254 |
| 1998 | 249 |
| 1999 | 303 |
| 2000 | 241 |
| 2001 | 288 |
| 2002 | 296 |
| 2003 | 301 |
| 2004 | 272 |
| 2005 | 346 |
| 2006 | 346 |
| 2007 | 452 |
| 2008 | 450 |
| 2009 | 447 |
| 2010 | 454 |
| 2011 | 461 |
| 2012 | 434 |
| 2013 | 486 |
| 2014 | 536 |
| 2015 | 514 |
| 2016 | 497 |
| 2017 | 446 |
| 2018 | 439 |
| 2019 | 498 |
| 2020 | 558 |
| 2021 | 597 |
| 2022 | 568 |
| 2023 | 428 |
| 2024 | 346 |