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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1949 | 1 |
| 1961 | 1 |
| 1962 | 2 |
| 1963 | 3 |
| 1964 | 2 |
| 1965 | 2 |
| 1966 | 1 |
| 1968 | 2 |
| 1969 | 1 |
| 1973 | 2 |
| 1974 | 2 |
| 1976 | 1 |
| 1977 | 5 |
| 1978 | 6 |
| 1979 | 4 |
| 1980 | 1 |
| 1981 | 3 |
| 1982 | 3 |
| 1983 | 2 |
| 1984 | 3 |
| 1985 | 5 |
| 1986 | 4 |
| 1987 | 3 |
| 1988 | 7 |
| 1989 | 19 |
| 1990 | 22 |
| 1991 | 31 |
| 1992 | 29 |
| 1993 | 32 |
| 1994 | 23 |
| 1995 | 32 |
| 1996 | 47 |
| 1997 | 38 |
| 1998 | 53 |
| 1999 | 56 |
| 2000 | 74 |
| 2001 | 70 |
| 2002 | 104 |
| 2003 | 100 |
| 2004 | 126 |
| 2005 | 153 |
| 2006 | 154 |
| 2007 | 161 |
| 2008 | 174 |
| 2009 | 198 |
| 2010 | 227 |
| 2011 | 253 |
| 2012 | 277 |
| 2013 | 289 |
| 2014 | 430 |
| 2015 | 632 |
| 2016 | 670 |
| 2017 | 654 |
| 2018 | 753 |
| 2019 | 830 |
| 2020 | 832 |
| 2021 | 910 |
| 2022 | 816 |
| 2023 | 243 |