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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1955 | 1 |
| 1957 | 2 |
| 1958 | 2 |
| 1959 | 1 |
| 1963 | 3 |
| 1965 | 1 |
| 1966 | 2 |
| 1967 | 4 |
| 1969 | 2 |
| 1970 | 4 |
| 1971 | 3 |
| 1972 | 5 |
| 1973 | 3 |
| 1975 | 8 |
| 1976 | 7 |
| 1977 | 4 |
| 1978 | 2 |
| 1979 | 8 |
| 1980 | 7 |
| 1981 | 9 |
| 1982 | 18 |
| 1983 | 15 |
| 1984 | 21 |
| 1985 | 10 |
| 1986 | 31 |
| 1987 | 20 |
| 1988 | 26 |
| 1989 | 37 |
| 1990 | 42 |
| 1991 | 35 |
| 1992 | 46 |
| 1993 | 60 |
| 1994 | 51 |
| 1995 | 77 |
| 1996 | 59 |
| 1997 | 83 |
| 1998 | 95 |
| 1999 | 90 |
| 2000 | 95 |
| 2001 | 123 |
| 2002 | 127 |
| 2003 | 180 |
| 2004 | 208 |
| 2005 | 264 |
| 2006 | 312 |
| 2007 | 327 |
| 2008 | 415 |
| 2009 | 497 |
| 2010 | 586 |
| 2011 | 717 |
| 2012 | 789 |
| 2013 | 861 |
| 2014 | 967 |
| 2015 | 1136 |
| 2016 | 1204 |
| 2017 | 1293 |
| 2018 | 1480 |
| 2019 | 1687 |
| 2020 | 1942 |
| 2021 | 2304 |
| 2022 | 2594 |
| 2023 | 1220 |