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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1954 | 2 |
| 1957 | 1 |
| 1963 | 2 |
| 1964 | 5 |
| 1965 | 9 |
| 1966 | 1 |
| 1967 | 4 |
| 1968 | 5 |
| 1969 | 4 |
| 1970 | 3 |
| 1971 | 9 |
| 1972 | 10 |
| 1973 | 15 |
| 1974 | 10 |
| 1975 | 12 |
| 1976 | 6 |
| 1977 | 11 |
| 1978 | 6 |
| 1979 | 7 |
| 1980 | 13 |
| 1981 | 13 |
| 1982 | 19 |
| 1983 | 21 |
| 1984 | 21 |
| 1985 | 38 |
| 1986 | 45 |
| 1987 | 47 |
| 1988 | 70 |
| 1989 | 69 |
| 1990 | 90 |
| 1991 | 84 |
| 1992 | 104 |
| 1993 | 97 |
| 1994 | 114 |
| 1995 | 125 |
| 1996 | 148 |
| 1997 | 163 |
| 1998 | 181 |
| 1999 | 191 |
| 2000 | 243 |
| 2001 | 276 |
| 2002 | 312 |
| 2003 | 402 |
| 2004 | 535 |
| 2005 | 652 |
| 2006 | 718 |
| 2007 | 847 |
| 2008 | 950 |
| 2009 | 1026 |
| 2010 | 1287 |
| 2011 | 1481 |
| 2012 | 1706 |
| 2013 | 2058 |
| 2014 | 2363 |
| 2015 | 2576 |
| 2016 | 2797 |
| 2017 | 3048 |
| 2018 | 3404 |
| 2019 | 3945 |
| 2020 | 5050 |
| 2021 | 5792 |
| 2022 | 6565 |
| 2023 | 3100 |