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 81 49.1%
2 United States 39 23.6%
3 Germany 12 7.3%
4 Netherlands 10 6.1%
5 Russia 4 2.4%
6 Hong Kong 4 2.4%
7 France 3 1.8%
8 Spain 3 1.8%
9 Taiwan 2 1.2%
10 Canada 2 1.2%
11 Japan 2 1.2%
12 Lebanon 2 1.2%
13 Australia 1 0.6%