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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 1 |
| 1960 | 1 |
| 1964 | 1 |
| 1966 | 1 |
| 1968 | 1 |
| 1969 | 3 |
| 1970 | 2 |
| 1971 | 1 |
| 1973 | 3 |
| 1974 | 2 |
| 1976 | 2 |
| 1978 | 2 |
| 1979 | 3 |
| 1980 | 12 |
| 1981 | 14 |
| 1982 | 7 |
| 1983 | 9 |
| 1984 | 14 |
| 1985 | 25 |
| 1986 | 35 |
| 1987 | 31 |
| 1988 | 43 |
| 1989 | 52 |
| 1990 | 62 |
| 1991 | 58 |
| 1992 | 54 |
| 1993 | 72 |
| 1994 | 87 |
| 1995 | 106 |
| 1996 | 95 |
| 1997 | 109 |
| 1998 | 117 |
| 1999 | 161 |
| 2000 | 181 |
| 2001 | 233 |
| 2002 | 250 |
| 2003 | 359 |
| 2004 | 447 |
| 2005 | 498 |
| 2006 | 560 |
| 2007 | 678 |
| 2008 | 863 |
| 2009 | 957 |
| 2010 | 1108 |
| 2011 | 1342 |
| 2012 | 1544 |
| 2013 | 1844 |
| 2014 | 2199 |
| 2015 | 2582 |
| 2016 | 2667 |
| 2017 | 3037 |
| 2018 | 3370 |
| 2019 | 4020 |
| 2020 | 4603 |
| 2021 | 5165 |
| 2022 | 6193 |
| 2023 | 1673 |