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 115 61.8%
2 United States 36 19.4%
3 Germany 16 8.6%
4 Canada 6 3.2%
5 Hong Kong 4 2.2%
6 Taiwan 3 1.6%
7 Ukraine 1 0.5%
8 United Kingdom 1 0.5%
9 Australia 1 0.5%
10 Japan 1 0.5%
11 Portugal 1 0.5%
12 Russia 1 0.5%