gdpc %>%
filter(iso3c %in% c("JPN"),
month(date) == 12,
variable == "GDPC",
date >= as.Date("1800-01-01"),
date <= as.Date("1914-01-01")) %>%
select(iso3c, variable, date, value) %>%
ggplot() + geom_line(aes(x = date, y = value)) +
scale_color_manual(values = viridis(4)[1:3]) +
theme_minimal() + xlab("") + ylab("") +
scale_x_date(breaks = seq(1800, 2025, 5) %>% paste0("-01-01") %>% as.Date,
labels = date_format("%Y")) +
theme(legend.position = c(0.25, 0.2),
legend.title = element_blank()) +
scale_y_log10(breaks = 100*c(1, 2, 3, 5, 8, 10, 20, 30, 40, 50),
labels = dollar_format(suffix = " Bn", p = "", ac = 1))