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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 3 |
| 1962 | 1 |
| 1963 | 1 |
| 1964 | 4 |
| 1965 | 76 |
| 1966 | 147 |
| 1967 | 141 |
| 1968 | 124 |
| 1969 | 138 |
| 1970 | 138 |
| 1971 | 147 |
| 1972 | 129 |
| 1973 | 177 |
| 1974 | 181 |
| 1975 | 214 |
| 1976 | 242 |
| 1977 | 188 |
| 1978 | 194 |
| 1979 | 201 |
| 1980 | 194 |
| 1981 | 210 |
| 1982 | 198 |
| 1983 | 277 |
| 1984 | 246 |
| 1985 | 217 |
| 1986 | 246 |
| 1987 | 225 |
| 1988 | 282 |
| 1989 | 227 |
| 1990 | 253 |
| 1991 | 250 |
| 1992 | 260 |
| 1993 | 283 |
| 1994 | 230 |
| 1995 | 268 |
| 1996 | 269 |
| 1997 | 256 |
| 1998 | 229 |
| 1999 | 333 |
| 2000 | 279 |
| 2001 | 337 |
| 2002 | 417 |
| 2003 | 457 |
| 2004 | 523 |
| 2005 | 593 |
| 2006 | 635 |
| 2007 | 689 |
| 2008 | 754 |
| 2009 | 762 |
| 2010 | 855 |
| 2011 | 969 |
| 2012 | 1018 |
| 2013 | 982 |
| 2014 | 1101 |
| 2015 | 1081 |
| 2016 | 1091 |
| 2017 | 1028 |
| 2018 | 1028 |
| 2019 | 1121 |
| 2020 | 1309 |
| 2021 | 1511 |
| 2022 | 1606 |
| 2023 | 1593 |
| 2024 | 1458 |
| 2025 | 869 |