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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1954 | 1 |
| 1955 | 2 |
| 1956 | 17 |
| 1957 | 5 |
| 1958 | 13 |
| 1959 | 2 |
| 1960 | 2 |
| 1961 | 5 |
| 1962 | 6 |
| 1963 | 1 |
| 1964 | 2 |
| 1965 | 18 |
| 1966 | 31 |
| 1967 | 45 |
| 1968 | 48 |
| 1969 | 60 |
| 1970 | 68 |
| 1971 | 82 |
| 1972 | 72 |
| 1973 | 106 |
| 1974 | 124 |
| 1975 | 101 |
| 1976 | 102 |
| 1977 | 98 |
| 1978 | 115 |
| 1979 | 122 |
| 1980 | 97 |
| 1981 | 110 |
| 1982 | 102 |
| 1983 | 140 |
| 1984 | 151 |
| 1985 | 171 |
| 1986 | 170 |
| 1987 | 149 |
| 1988 | 183 |
| 1989 | 157 |
| 1990 | 178 |
| 1991 | 190 |
| 1992 | 173 |
| 1993 | 183 |
| 1994 | 192 |
| 1995 | 187 |
| 1996 | 175 |
| 1997 | 194 |
| 1998 | 205 |
| 1999 | 190 |
| 2000 | 193 |
| 2001 | 194 |
| 2002 | 234 |
| 2003 | 240 |
| 2004 | 262 |
| 2005 | 257 |
| 2006 | 286 |
| 2007 | 301 |
| 2008 | 340 |
| 2009 | 351 |
| 2010 | 379 |
| 2011 | 409 |
| 2012 | 423 |
| 2013 | 416 |
| 2014 | 430 |
| 2015 | 462 |
| 2016 | 419 |
| 2017 | 397 |
| 2018 | 414 |
| 2019 | 443 |
| 2020 | 370 |
| 2021 | 329 |
| 2022 | 344 |
| 2023 | 322 |
| 2024 | 100 |