,
(
500
1000
1500
2000
2500
3000
3500
4000
4500
)
1
...
1858
1859
1860
1861
1862
1863
1864
1865
1866
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1868
1869
1870
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1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
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2677