trend is also shown in Figure 3a. For figure 3b, there is a slight dip
20
towards the fourth quarter of 2019 and again in the second half of
2020, the latter is probably related to COVID-19.
trend is also shown in Figure 3a. For figure 3b, there is a slight dip
20
towards the fourth quarter of 2019 and again in the second half of
2020, the latter is probably related to COVID-19.