Embarrassing, but the statistic cited there is 6 cases in 2017 for a single crossing point, looks like there are ~1.5M visits a year[1] so I would imagine even

Embarrassing, but the statistic cited there is 6 cases in 2017 for a single crossing point, looks like there are ~1.5M visits a year[1] so I would imagine even if we're talking hundreds of cases (generous), still not too common? 1: https://nationalpost.com/news/canada/as-canadian-visits-to-the-u-s-continue-to-decline-american-visits-to-canada-fall-7-5-says-statistics-canada https://nationalpost.com/news/canada/as-canadian-visits-to-t...