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 264 46.3%
2 United States 209 36.7%
3 Germany 38 6.7%
4 Netherlands 20 3.5%
5 Hong Kong 9 1.6%
6 Japan 9 1.6%
7 Australia 7 1.2%
8 Singapore 3 0.5%
9 Uruguay 3 0.5%
10 Italy 2 0.4%
11 Brazil 2 0.4%
12 Canada 1 0.2%
13 Malaysia 1 0.2%
14 India 1 0.2%
15 Russia 1 0.2%