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 402 58.6%
2 United States 154 22.4%
3 Netherlands 52 7.6%
4 Germany 37 5.4%
5 Canada 13 1.9%
6 France 6 0.9%
7 India 5 0.7%
8 Macao 4 0.6%
9 Ukraine 3 0.4%
10 Hong Kong 3 0.4%
11 Iraq 2 0.3%
12 Australia 2 0.3%
13 Brazil 1 0.1%
14 United Kingdom 1 0.1%
15 Singapore 1 0.1%