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 52.2%
2 United States 73 21.4%
3 Germany 31 9.1%
4 Canada 21 6.2%
5 Netherlands 8 2.3%
6 Malaysia 5 1.5%
7 Taiwan 3 0.9%
8 Hong Kong 3 0.9%
9 Greece 2 0.6%
10 2 0.6%
11 Australia 2 0.6%
12 Brazil 2 0.6%
13 Portugal 2 0.6%
14 Romania 2 0.6%
15 Malta 2 0.6%
16 Mauritius 1 0.3%
17 Mexico 1 0.3%
18 Thailand 1 0.3%
19 Uganda 1 0.3%
20 Albania 1 0.3%