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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1959 | 1 |
| 1960 | 2 |
| 1961 | 3 |
| 1962 | 5 |
| 1963 | 5 |
| 1964 | 7 |
| 1965 | 4 |
| 1966 | 2 |
| 1967 | 6 |
| 1968 | 10 |
| 1969 | 15 |
| 1970 | 17 |
| 1971 | 15 |
| 1972 | 10 |
| 1973 | 20 |
| 1974 | 29 |
| 1975 | 32 |
| 1976 | 32 |
| 1977 | 19 |
| 1978 | 35 |
| 1979 | 28 |
| 1980 | 27 |
| 1981 | 26 |
| 1982 | 46 |
| 1983 | 52 |
| 1984 | 50 |
| 1985 | 70 |
| 1986 | 77 |
| 1987 | 72 |
| 1988 | 102 |
| 1989 | 90 |
| 1990 | 90 |
| 1991 | 118 |
| 1992 | 174 |
| 1993 | 164 |
| 1994 | 203 |
| 1995 | 247 |
| 1996 | 252 |
| 1997 | 228 |
| 1998 | 256 |
| 1999 | 299 |
| 2000 | 305 |
| 2001 | 346 |
| 2002 | 365 |
| 2003 | 483 |
| 2004 | 510 |
| 2005 | 652 |
| 2006 | 742 |
| 2007 | 849 |
| 2008 | 944 |
| 2009 | 1052 |
| 2010 | 1152 |
| 2011 | 1287 |
| 2012 | 1397 |
| 2013 | 1601 |
| 2014 | 1671 |
| 2015 | 1788 |
| 2016 | 1846 |
| 2017 | 2072 |
| 2018 | 2359 |
| 2019 | 2606 |
| 2020 | 3026 |
| 2021 | 3440 |
| 2022 | 3808 |
| 2023 | 1685 |