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 178 56.7%
2 United States 57 18.2%
3 Germany 32 10.2%
4 Japan 9 2.9%
5 Malaysia 4 1.3%
6 Netherlands 4 1.3%
7 Russia 4 1.3%
8 Singapore 3 1%
9 India 3 1%
10 Australia 3 1%
11 Canada 2 0.6%
12 France 2 0.6%
13 Ireland 2 0.6%
14 Italy 2 0.6%
15 Jamaica 2 0.6%
16 Thailand 2 0.6%
17 Korea, Republic of 2 0.6%
18 Viet Nam 2 0.6%
19 1 0.3%