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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1951 | 4 |
| 1952 | 3 |
| 1953 | 11 |
| 1954 | 7 |
| 1955 | 16 |
| 1956 | 12 |
| 1957 | 22 |
| 1958 | 20 |
| 1959 | 15 |
| 1960 | 26 |
| 1961 | 22 |
| 1962 | 17 |
| 1963 | 2 |
| 1964 | 3 |
| 1965 | 8 |
| 1966 | 103 |
| 1967 | 177 |
| 1968 | 257 |
| 1969 | 260 |
| 1970 | 289 |
| 1971 | 255 |
| 1972 | 288 |
| 1973 | 329 |
| 1974 | 377 |
| 1975 | 309 |
| 1976 | 244 |
| 1977 | 265 |
| 1978 | 240 |
| 1979 | 237 |
| 1980 | 247 |
| 1981 | 190 |
| 1982 | 212 |
| 1983 | 190 |
| 1984 | 197 |
| 1985 | 187 |
| 1986 | 167 |
| 1987 | 147 |
| 1988 | 126 |
| 1989 | 140 |
| 1990 | 139 |
| 1991 | 158 |
| 1992 | 109 |
| 1993 | 122 |
| 1994 | 150 |
| 1995 | 140 |
| 1996 | 160 |
| 1997 | 141 |
| 1998 | 156 |
| 1999 | 154 |
| 2000 | 177 |
| 2001 | 191 |
| 2002 | 178 |
| 2003 | 177 |
| 2004 | 179 |
| 2005 | 219 |
| 2006 | 248 |
| 2007 | 270 |
| 2008 | 322 |
| 2009 | 326 |
| 2010 | 375 |
| 2011 | 468 |
| 2012 | 499 |
| 2013 | 521 |
| 2014 | 628 |
| 2015 | 594 |
| 2016 | 584 |
| 2017 | 627 |
| 2018 | 623 |
| 2019 | 573 |
| 2020 | 545 |
| 2021 | 352 |
| 2022 | 54 |
| 2023 | 31 |
| 2024 | 139 |