## Warning: Removed 30 rows containing missing values (`geom_segment()`).
## Warning: Removed 45 rows containing missing values (`geom_segment()`).
## Warning: Removed 45 rows containing missing values (`geom_segment()`).
## Warning: Removed 45 rows containing missing values (`geom_segment()`).
## Warning: Removed 45 rows containing missing values (`geom_segment()`).
## Warning: Removed 45 rows containing missing values (`geom_segment()`).
## Warning: Removed 45 rows containing missing values (`geom_segment()`).