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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 1 |
| 1955 | 1 |
| 1960 | 1 |
| 1961 | 1 |
| 1963 | 2 |
| 1964 | 1 |
| 1965 | 2 |
| 1966 | 1 |
| 1968 | 6 |
| 1969 | 7 |
| 1970 | 3 |
| 1971 | 4 |
| 1972 | 5 |
| 1973 | 7 |
| 1974 | 9 |
| 1975 | 6 |
| 1976 | 14 |
| 1977 | 11 |
| 1978 | 7 |
| 1979 | 15 |
| 1980 | 17 |
| 1981 | 21 |
| 1982 | 25 |
| 1983 | 26 |
| 1984 | 30 |
| 1985 | 22 |
| 1986 | 19 |
| 1987 | 42 |
| 1988 | 30 |
| 1989 | 30 |
| 1990 | 18 |
| 1991 | 35 |
| 1992 | 41 |
| 1993 | 36 |
| 1994 | 51 |
| 1995 | 46 |
| 1996 | 49 |
| 1997 | 85 |
| 1998 | 95 |
| 1999 | 130 |
| 2000 | 152 |
| 2001 | 200 |
| 2002 | 227 |
| 2003 | 207 |
| 2004 | 266 |
| 2005 | 372 |
| 2006 | 414 |
| 2007 | 466 |
| 2008 | 557 |
| 2009 | 653 |
| 2010 | 811 |
| 2011 | 871 |
| 2012 | 990 |
| 2013 | 1095 |
| 2014 | 1191 |
| 2015 | 1160 |
| 2016 | 1198 |
| 2017 | 1288 |
| 2018 | 1286 |
| 2019 | 1351 |
| 2020 | 1433 |
| 2021 | 1506 |
| 2022 | 1302 |
| 2023 | 139 |