CREATE TABLE exhibition (Exhibition_ID INT, Year INT, Theme TEXT, Artist_ID INT, Ticket_Price FLOAT)
CREATE TABLE artist (Artist_ID INT, Name TEXT, Country TEXT, Year_Join INT, Age INT)
CREATE TABLE exhibition_record (Exhibition_ID INT, Date TEXT, Attendance INT)

Group by the theme and count the year with a stacked bar chart, and show from high to low by the the number of year please.
SELECT Year, COUNT(Year) FROM exhibition GROUP BY Theme ORDER BY COUNT(Year) DESC
SELECT "Year", COUNT("Year") FROM "exhibition" GROUP BY "Theme" ORDER BY COUNT("Year") DESC NULLS LAST