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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1876 | 1 |
| 1949 | 1 |
| 1951 | 2 |
| 1953 | 1 |
| 1955 | 1 |
| 1960 | 3 |
| 1961 | 2 |
| 1962 | 1 |
| 1963 | 1 |
| 1964 | 6 |
| 1965 | 10 |
| 1966 | 6 |
| 1967 | 9 |
| 1968 | 9 |
| 1969 | 5 |
| 1970 | 8 |
| 1971 | 16 |
| 1972 | 19 |
| 1973 | 11 |
| 1974 | 15 |
| 1975 | 18 |
| 1976 | 10 |
| 1977 | 11 |
| 1978 | 8 |
| 1979 | 12 |
| 1980 | 26 |
| 1981 | 15 |
| 1982 | 23 |
| 1983 | 18 |
| 1984 | 22 |
| 1985 | 29 |
| 1986 | 36 |
| 1987 | 47 |
| 1988 | 60 |
| 1989 | 66 |
| 1990 | 60 |
| 1991 | 57 |
| 1992 | 71 |
| 1993 | 75 |
| 1994 | 78 |
| 1995 | 85 |
| 1996 | 93 |
| 1997 | 106 |
| 1998 | 109 |
| 1999 | 114 |
| 2000 | 157 |
| 2001 | 199 |
| 2002 | 228 |
| 2003 | 292 |
| 2004 | 332 |
| 2005 | 406 |
| 2006 | 444 |
| 2007 | 531 |
| 2008 | 572 |
| 2009 | 693 |
| 2010 | 869 |
| 2011 | 985 |
| 2012 | 1198 |
| 2013 | 1320 |
| 2014 | 1450 |
| 2015 | 1664 |
| 2016 | 1816 |
| 2017 | 1992 |
| 2018 | 2183 |
| 2019 | 2273 |
| 2020 | 2679 |
| 2021 | 3109 |
| 2022 | 3157 |
| 2023 | 3125 |
| 2024 | 3394 |
| 2025 | 3715 |
| 2026 | 3199 |
| 2027 | 9 |