The table below shows the number of reported cases of Tuberculosis (TB), a bacterial disease, per 100,000 people in a metropolitan area between 2011 and 2021 following a targeted vaccination and treatment campaign.
| Year | Number of TB cases per 100,000 people |
|---|---|
| 2011 | 350 |
| 2013 | 295 |
| 2015 | 248 |
| 2017 | 210 |
| 2019 | 195 |
| 2021 | 187 |
Predict the number of TB cases per 100,000 people in 2023 if the current trend continues. Show your working or justify your prediction.