local peaks

1863
1867
1871
1876
1883
1892
1894
1905
1930
1932
1938
1942
1949

x

1974
1979
1984
1990
1998
2000

--

local to greater_or_equal

1863 -> 1867 -> 4
1867 -> 1869 -> 2
1871 -> 1873 -> 2
1876 -> 1878 -> 2
1883 -> 1885 -> 2
1892 -> 1894 -> 2
1894 -> 1896 -> 2
1905 -> 1908 -> 3
1930 -> 1935 -> 5
1932 -> -
1938 -> 1940 -> 2
1942 -> 1944 -> 2
1949 -> 1951 -> 2

x

1974 -> 1976 -> 2
1979 -> 1993 -> 14
1984 -> -
1990 -> -
1998 -> 2000 -> 2
2000 -> 2003 -> 3