Concerns over time

library(ggplot2)

ggplot(Data, 
       aes(x = Year, 
           y = Percentage, 
           col = factor(Concern), 
           group=factor(Concern))) + 
  geom_line(size = 1) + 
  geom_point(size = 1.5) + 
  labs(x = "Academic year", 
       y = "Percent of students", 
       colour = "Concern", 
       caption = "Source: The Center for Collegiate Mental Health") +
  theme_light() +
  scale_x_discrete(expand = c(.02,.02)) + 
  scale_color_discrete(breaks=c(order)) +
  ggtitle("Presenting concerns for college students seeking counseling") +
  theme(axis.ticks = element_line(size = 5.6), 
        axis.title = element_text(size = 12), 
        axis.text = element_text(size = 11),
        axis.text.x = element_text(size = 11), 
        axis.text.y = element_text(size = 11), 
        plot.title = element_text(size = 16, face = "bold"), 
        legend.text = element_text(size = 12), 
        legend.title = element_text(size = 14))