BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 154 44.6%
2 United States 134 38.8%
3 Germany 32 9.3%
4 Taiwan 6 1.7%
5 United Kingdom 5 1.4%
6 Hong Kong 3 0.9%
7 Japan 2 0.6%
8 Malaysia 2 0.6%
9 France 2 0.6%
10 Slovakia 2 0.6%
11 Australia 1 0.3%
12 Netherlands 1 0.3%
13 Turkey 1 0.3%