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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 4 |
| 1960 | 12 |
| 1961 | 15 |
| 1962 | 11 |
| 1968 | 1 |
| 1973 | 2 |
| 1975 | 1 |
| 1977 | 1 |
| 1979 | 1 |
| 1984 | 1 |
| 1987 | 1 |
| 1989 | 1 |
| 1990 | 24 |
| 1991 | 92 |
| 1992 | 98 |
| 1993 | 70 |
| 1994 | 74 |
| 1995 | 69 |
| 1996 | 74 |
| 1997 | 85 |
| 1998 | 70 |
| 1999 | 61 |
| 2000 | 68 |
| 2001 | 62 |
| 2002 | 60 |
| 2003 | 57 |
| 2004 | 56 |
| 2005 | 85 |
| 2006 | 81 |
| 2007 | 75 |
| 2008 | 50 |
| 2009 | 64 |
| 2010 | 78 |
| 2011 | 82 |
| 2012 | 88 |
| 2013 | 93 |
| 2014 | 89 |
| 2015 | 93 |
| 2016 | 104 |
| 2017 | 96 |
| 2018 | 79 |
| 2019 | 67 |
| 2020 | 72 |
| 2021 | 58 |
| 2022 | 51 |
| 2023 | 40 |
| 2024 | 74 |
| 2025 | 46 |