BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 131 60.4%
2 United States 36 16.6%
3 Taiwan 16 7.4%
4 Netherlands 12 5.5%
5 Germany 7 3.2%
6 Hong Kong 6 2.8%
7 Russia 2 0.9%
8 Singapore 1 0.5%
9 Ukraine 1 0.5%
10 Kazakhstan 1 0.5%
11 Portugal 1 0.5%
12 France 1 0.5%
13 Australia 1 0.5%
14 Canada 1 0.5%