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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 8 |
| 1966 | 13 |
| 1967 | 16 |
| 1968 | 28 |
| 1969 | 71 |
| 1970 | 99 |
| 1971 | 101 |
| 1972 | 85 |
| 1973 | 91 |
| 1974 | 69 |
| 1975 | 66 |
| 1976 | 63 |
| 1977 | 56 |
| 1978 | 52 |
| 1979 | 68 |
| 1980 | 70 |
| 1981 | 51 |
| 1982 | 68 |
| 1983 | 57 |
| 1984 | 85 |
| 1985 | 80 |
| 1986 | 89 |
| 1987 | 91 |
| 1988 | 142 |
| 1989 | 124 |
| 1990 | 140 |
| 1991 | 156 |
| 1992 | 202 |
| 1993 | 202 |
| 1994 | 274 |
| 1995 | 440 |
| 1996 | 677 |
| 1997 | 623 |
| 1998 | 697 |
| 1999 | 678 |
| 2000 | 760 |
| 2001 | 850 |
| 2002 | 879 |
| 2003 | 903 |
| 2004 | 964 |
| 2005 | 1028 |
| 2006 | 1148 |
| 2007 | 1226 |
| 2008 | 1343 |
| 2009 | 1394 |
| 2010 | 1492 |
| 2011 | 1653 |
| 2012 | 1606 |
| 2013 | 1551 |
| 2014 | 1565 |
| 2015 | 1424 |
| 2016 | 1351 |
| 2017 | 1389 |
| 2018 | 1405 |
| 2019 | 1345 |
| 2020 | 1410 |
| 2021 | 1197 |
| 2022 | 805 |
| 2023 | 668 |
| 2024 | 229 |