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 162 58.1%
2 United States 62 22.2%
3 Germany 26 9.3%
4 Netherlands 7 2.5%
5 Malaysia 5 1.8%
6 Russia 3 1.1%
7 Brazil 3 1.1%
8 Australia 2 0.7%
9 Hong Kong 2 0.7%
10 Singapore 2 0.7%
11 Norway 2 0.7%
12 India 1 0.4%
13 Ireland 1 0.4%
14 France 1 0.4%