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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1958 | 1 |
| 1961 | 1 |
| 1964 | 1 |
| 1966 | 1 |
| 1968 | 4 |
| 1969 | 2 |
| 1970 | 3 |
| 1971 | 6 |
| 1972 | 7 |
| 1973 | 5 |
| 1974 | 1 |
| 1975 | 2 |
| 1976 | 4 |
| 1977 | 3 |
| 1978 | 10 |
| 1979 | 3 |
| 1980 | 2 |
| 1981 | 7 |
| 1982 | 4 |
| 1983 | 5 |
| 1984 | 11 |
| 1985 | 15 |
| 1986 | 13 |
| 1987 | 11 |
| 1988 | 21 |
| 1989 | 23 |
| 1990 | 13 |
| 1991 | 16 |
| 1992 | 21 |
| 1993 | 23 |
| 1994 | 24 |
| 1995 | 34 |
| 1996 | 20 |
| 1997 | 26 |
| 1998 | 40 |
| 1999 | 66 |
| 2000 | 70 |
| 2001 | 87 |
| 2002 | 91 |
| 2003 | 103 |
| 2004 | 131 |
| 2005 | 148 |
| 2006 | 197 |
| 2007 | 224 |
| 2008 | 232 |
| 2009 | 302 |
| 2010 | 311 |
| 2011 | 386 |
| 2012 | 431 |
| 2013 | 447 |
| 2014 | 543 |
| 2015 | 545 |
| 2016 | 531 |
| 2017 | 537 |
| 2018 | 579 |
| 2019 | 557 |
| 2020 | 703 |
| 2021 | 789 |
| 2022 | 654 |
| 2023 | 647 |
| 2024 | 644 |
| 2025 | 738 |
| 2026 | 618 |
| 2027 | 1 |