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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 3 |
| 1963 | 2 |
| 1964 | 1 |
| 1966 | 1 |
| 1969 | 1 |
| 1970 | 5 |
| 1971 | 3 |
| 1972 | 5 |
| 1973 | 2 |
| 1974 | 4 |
| 1975 | 7 |
| 1976 | 4 |
| 1977 | 10 |
| 1978 | 6 |
| 1979 | 7 |
| 1980 | 10 |
| 1981 | 19 |
| 1982 | 12 |
| 1983 | 15 |
| 1984 | 11 |
| 1985 | 18 |
| 1986 | 27 |
| 1987 | 21 |
| 1988 | 20 |
| 1989 | 29 |
| 1990 | 44 |
| 1991 | 51 |
| 1992 | 47 |
| 1993 | 72 |
| 1994 | 81 |
| 1995 | 76 |
| 1996 | 99 |
| 1997 | 99 |
| 1998 | 112 |
| 1999 | 118 |
| 2000 | 136 |
| 2001 | 133 |
| 2002 | 176 |
| 2003 | 232 |
| 2004 | 274 |
| 2005 | 316 |
| 2006 | 362 |
| 2007 | 408 |
| 2008 | 489 |
| 2009 | 576 |
| 2010 | 709 |
| 2011 | 802 |
| 2012 | 886 |
| 2013 | 989 |
| 2014 | 1126 |
| 2015 | 1297 |
| 2016 | 1286 |
| 2017 | 1555 |
| 2018 | 1595 |
| 2019 | 1760 |
| 2020 | 2033 |
| 2021 | 2330 |
| 2022 | 2725 |
| 2023 | 751 |