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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 1 |
| 1954 | 1 |
| 1963 | 2 |
| 1965 | 3 |
| 1966 | 3 |
| 1967 | 1 |
| 1968 | 4 |
| 1969 | 3 |
| 1970 | 8 |
| 1971 | 1 |
| 1972 | 3 |
| 1973 | 4 |
| 1974 | 6 |
| 1975 | 9 |
| 1976 | 13 |
| 1977 | 6 |
| 1978 | 8 |
| 1979 | 3 |
| 1980 | 8 |
| 1981 | 9 |
| 1982 | 16 |
| 1983 | 9 |
| 1984 | 19 |
| 1985 | 21 |
| 1986 | 26 |
| 1987 | 26 |
| 1988 | 30 |
| 1989 | 27 |
| 1990 | 48 |
| 1991 | 38 |
| 1992 | 47 |
| 1993 | 47 |
| 1994 | 84 |
| 1995 | 74 |
| 1996 | 94 |
| 1997 | 113 |
| 1998 | 119 |
| 1999 | 130 |
| 2000 | 153 |
| 2001 | 201 |
| 2002 | 225 |
| 2003 | 215 |
| 2004 | 296 |
| 2005 | 348 |
| 2006 | 388 |
| 2007 | 440 |
| 2008 | 492 |
| 2009 | 569 |
| 2010 | 653 |
| 2011 | 736 |
| 2012 | 791 |
| 2013 | 898 |
| 2014 | 945 |
| 2015 | 1140 |
| 2016 | 1153 |
| 2017 | 1217 |
| 2018 | 1324 |
| 2019 | 1483 |
| 2020 | 1750 |
| 2021 | 1989 |
| 2022 | 2159 |
| 2023 | 1067 |