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 79 43.6%
2 United States 46 25.4%
3 Netherlands 23 12.7%
4 Germany 13 7.2%
5 Hong Kong 9 5%
6 New Zealand 4 2.2%
7 Russia 2 1.1%
8 Taiwan 1 0.6%
9 Portugal 1 0.6%
10 Egypt 1 0.6%
11 Estonia 1 0.6%
12 France 1 0.6%