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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 1 |
| 1960 | 5 |
| 1962 | 2 |
| 1963 | 5 |
| 1964 | 5 |
| 1965 | 4 |
| 1966 | 1 |
| 1967 | 1 |
| 1968 | 1 |
| 1969 | 2 |
| 1970 | 11 |
| 1971 | 1 |
| 1972 | 10 |
| 1973 | 4 |
| 1974 | 5 |
| 1975 | 5 |
| 1976 | 8 |
| 1977 | 14 |
| 1978 | 10 |
| 1979 | 11 |
| 1980 | 16 |
| 1981 | 25 |
| 1982 | 12 |
| 1983 | 24 |
| 1984 | 18 |
| 1985 | 26 |
| 1986 | 28 |
| 1987 | 34 |
| 1988 | 19 |
| 1989 | 60 |
| 1990 | 37 |
| 1991 | 41 |
| 1992 | 63 |
| 1993 | 64 |
| 1994 | 70 |
| 1995 | 75 |
| 1996 | 97 |
| 1997 | 119 |
| 1998 | 112 |
| 1999 | 131 |
| 2000 | 137 |
| 2001 | 144 |
| 2002 | 129 |
| 2003 | 157 |
| 2004 | 221 |
| 2005 | 232 |
| 2006 | 280 |
| 2007 | 351 |
| 2008 | 370 |
| 2009 | 413 |
| 2010 | 470 |
| 2011 | 565 |
| 2012 | 604 |
| 2013 | 709 |
| 2014 | 784 |
| 2015 | 841 |
| 2016 | 1001 |
| 2017 | 1036 |
| 2018 | 1192 |
| 2019 | 1537 |
| 2020 | 1890 |
| 2021 | 2287 |
| 2022 | 2219 |
| 2023 | 1035 |