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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1961 | 1 |
| 1964 | 2 |
| 1965 | 1 |
| 1966 | 29 |
| 1967 | 49 |
| 1968 | 92 |
| 1969 | 98 |
| 1970 | 146 |
| 1971 | 213 |
| 1972 | 226 |
| 1973 | 246 |
| 1974 | 293 |
| 1975 | 317 |
| 1976 | 374 |
| 1977 | 365 |
| 1978 | 409 |
| 1979 | 430 |
| 1980 | 484 |
| 1981 | 476 |
| 1982 | 555 |
| 1983 | 538 |
| 1984 | 706 |
| 1985 | 811 |
| 1986 | 915 |
| 1987 | 835 |
| 1988 | 872 |
| 1989 | 990 |
| 1990 | 1150 |
| 1991 | 1187 |
| 1992 | 1304 |
| 1993 | 1323 |
| 1994 | 1463 |
| 1995 | 1526 |
| 1996 | 1520 |
| 1997 | 1387 |
| 1998 | 1451 |
| 1999 | 1512 |
| 2000 | 1652 |
| 2001 | 1719 |
| 2002 | 1772 |
| 2003 | 1963 |
| 2004 | 1835 |
| 2005 | 1967 |
| 2006 | 2030 |
| 2007 | 2082 |
| 2008 | 2404 |
| 2009 | 2623 |
| 2010 | 2812 |
| 2011 | 2888 |
| 2012 | 3030 |
| 2013 | 3123 |
| 2014 | 3280 |
| 2015 | 3353 |
| 2016 | 3717 |
| 2017 | 4182 |
| 2018 | 4599 |
| 2019 | 5047 |
| 2020 | 5411 |
| 2021 | 5288 |
| 2022 | 4181 |
| 2023 | 3660 |
| 2024 | 1939 |