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 157 48.8%
2 United States 75 23.3%
3 Germany 30 9.3%
4 Canada 24 7.5%
5 Australia 7 2.2%
6 New Zealand 5 1.6%
7 Malaysia 4 1.2%
8 Japan 4 1.2%
9 India 3 0.9%
10 Switzerland 2 0.6%
11 Mexico 2 0.6%
12 Netherlands 2 0.6%
13 Korea, Republic of 2 0.6%
14 Hong Kong 2 0.6%
15 France 2 0.6%
16 Russia 1 0.3%