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 303 67.8%
2 United States 55 12.3%
3 Germany 28 6.3%
4 Taiwan 21 4.7%
5 Netherlands 8 1.8%
6 Japan 6 1.3%
7 Guam 5 1.1%
8 Hong Kong 4 0.9%
9 Malaysia 3 0.7%
10 Ukraine 3 0.7%
11 Korea, Republic of 2 0.4%
12 Lesotho 2 0.4%
13 Italy 2 0.4%
14 Belarus 2 0.4%
15 Canada 2 0.4%
16 France 1 0.2%